Patents by Inventor John D. Koehler

John D. Koehler has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Lamp assembly with heat transfer system
    Patent number: 6450670
    Abstract: A lamp assembly having a lamp housing defining an internal cavity with at least one side. The at least one side has an opening. The lamp assembly further includes a heat transfer plate attached to the at least one side, positioned outside of the internal cavity, and at least partially aligned with the opening to transfer heat away from the lamp housing. The lamp assembly may also have a sealing gasket positioned between the heat transfer plate and the at least one side of the lamp housing. In addition, the lamp assembly may further include a bulb shield with an arm connected to the heat transfer plate, and a shell connected to the arm opposite the heat transfer plate. The shell may be adapted to at least partially cover a bulb of the lamp assembly.
    Type: Grant
    Filed: September 15, 1999
    Date of Patent: September 17, 2002
    Assignee: North American Lighting, Inc.
    Inventors: Benjamin R. Strauss, John D. Koehler